... . Delivery: 1day Temperature controller: TDS meter is for measure temperature (°C) and Fahrenheit (°F), electrical conductivity (EC,µS/cm), ... DisplayLCD, 34mm x 17mm VoltageCR2032 Battery, DC3VMeasure rangeTDS0 ~ 9999 ppmElectrical conductivity 0 ~ 9999 µS Temperature ( °C&°F )0 ~ 99 ... °C, 32 ~ 212 °FAccuracyTDS± 2%Electrical conductivity± 2%Temperature± 3%Dimension163 x 27.6 x 14.6mmWeight44g ...